On Launch Pad 39A at Kennedy Space Center, space shuttle Endeavour pushes past the fixed service structure as it begins its rapid climb into the night sky on the STS-126 mission. Liftoff was on time at 7:55 p.m. EST. STS-126 is the 124th space shuttle flight and the 27th flight to the International Space Station. The mission will feature four spacewalks and work that will prepare the space station to house six crew members for long-duration missions. Original photo number KSC-08pd-3715. Photo credit: NASA/Rusty Backer-George Roberts.